Listed Equity Security is a current Regulation NMS defined term. This guide preserves the specific U.S. securities-rule scope instead of substituting an ordinary-language meaning.
ReviewedEvidence1 sourceSectionPhrases & Idioms
Quick answer
Under Regulation NMS, a Listed Equity Security is an equity security listed and registered, or admitted to unlisted trading privileges, on a national securities exchange.
Key details
Canonical FormListed Equity Security
Core MeaningAn equity security listed and registered, or admitted to unlisted trading privileges, on a national securities exchange.
Further guidance
History Boundary
This page reflects the current reviewed 17 CFR § 242.600 definition and should be rechecked if Regulation NMS is amended.
Meaning
Section 242.600(b)(51) defines listed equity security by exchange listing/registration or admission to unlisted trading privileges.
Usage Boundary
Preserve the national-securities-exchange condition; this is a technical regulatory definition rather than a synonym for every publicly traded equity.
Sources and evidence
Sources are shown with the role they play in this guide. Historical or style-sensitive claims are kept within the evidence boundary described above.
Categorized by Security is a current Regulation NMS defined term. This guide keeps the meaning limited to the report-level separation of orders by each included NMS stock.
Corporate Debt Security is a current Regulation ATS defined term. This guide preserves the rule-specific meaning and boundary instead of replacing it with informal market shorthand.
Debt Security Under Regulation ATS is a current Regulation ATS defined term. This guide preserves the rule-specific meaning and boundary instead of replacing it with informal market shorthand.
Exchange-Traded Security is a current Regulation NMS defined term. This guide preserves the specific U.S. securities-rule scope instead of substituting an ordinary-language meaning.
Foreign Security Under Regulation AC is a current Regulation AC defined term. This guide preserves the rule-specific meaning and boundary instead of replacing it with informal market shorthand.
Listed Option is a current Regulation NMS defined term. This guide preserves the specific U.S. securities-rule scope instead of substituting an ordinary-language meaning.
Nasdaq Security is a current federal securities-regulation defined term. This guide preserves the rule-specific definition and boundaries instead of replacing it with informal market shorthand.
Regulation NMS uses “NMS security” as a defined market-structure term tied to securities covered by specified transaction-reporting arrangements. It should not be treated as a generic synonym for every security traded electronically.
